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@@ -0,0 +1,97 @@ |
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#include <stdio.h> |
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#include <string.h> |
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#include "../xmss.h" |
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#define MLEN 3491 |
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#define SIGNATURES 1024 |
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unsigned char pk[64]; |
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unsigned char mi[MLEN]; |
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unsigned long long smlen; |
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unsigned long long mlen; |
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int main() |
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{ |
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int r; |
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unsigned long long i,j; |
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int m = 32; |
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int n = 32; |
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int h = 10; |
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int d = 2; |
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int w = 16; |
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xmssmt_params p; |
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xmssmt_params *params = &p; |
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xmssmt_set_params(params, m, n, h, d, w); |
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unsigned char sk[(params->index_len+2*n+m)]; |
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unsigned long long signature_length = params->index_len + m + (d*params->xmss_par.wots_par.keysize) + h*n; |
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unsigned char mo[MLEN+signature_length]; |
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unsigned char sm[MLEN+signature_length]; |
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FILE *urandom = fopen("/dev/urandom", "r"); |
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for(i=0;i<MLEN;i++) mi[i] = fgetc(urandom); |
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printf("keypair\n"); |
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xmssmt_keypair(pk, sk, params); |
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// check pub_seed in SK |
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for(i=0;i<n;i++) |
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{ |
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if(pk[n+i] != sk[params->index_len+m+n+i]) printf("pk.pub_seed != sk.pub_seed %llu",i); |
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} |
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printf("pk checked\n"); |
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unsigned int idx_len = params->index_len; |
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// check index |
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unsigned long long idx = 0; |
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for(i = 0; i < idx_len; i++){ |
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idx |= ((unsigned long long)sk[i]) << 8*(idx_len - 1 - i); |
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} |
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if(idx) printf("\nidx != 0: %llu\n",idx); |
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for(i=0;i<SIGNATURES;i++){ |
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printf("sign\n"); |
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xmssmt_sign(sk, sm, &smlen, mi, MLEN, params); |
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idx = 0; |
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for(j = 0; j < idx_len; j++){ |
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idx |= ((unsigned long long)sm[j]) << 8*(idx_len - 1 - j); |
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} |
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printf("\nidx = %lu\n",idx); |
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r = memcmp(mi, sm+signature_length,MLEN); |
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printf("%d\n", r); |
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/* Test valid signature */ |
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printf("verify\n"); |
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r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params); |
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printf("%d\n", r); |
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r = memcmp(mi,mo,MLEN); |
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printf("%d\n", r); |
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printf("%llu\n", MLEN-mlen); |
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/* Test with modified message */ |
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sm[52] ^= 1; |
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r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params); |
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printf("%d\n", r+1); |
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r = memcmp(mi,mo,MLEN); |
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printf("%d\n", (r!=0) - 1); |
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printf("%llu\n", mlen+1); |
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/* Test with modified signature */ |
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sm[260] ^= 1; |
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sm[52] ^= 1; |
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sm[2] ^= 1; |
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r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params); |
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printf("%d\n", r+1); |
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r = memcmp(mi,mo,MLEN); |
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printf("%d\n", (r!=0) - 1); |
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printf("%llu\n", mlen+1); |
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} |
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fclose(urandom); |
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return 0; |
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} |
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